Chevrolet 2002 Cavalier Owner's Manual page 226

3. Then fill the coolant surge tank with the proper
mixture, to the hash mark on the label. Wait about
five minutes, then check to see if the level is below
the hash mark. If the level is below the hash mark,
add additional coolant to bring the level up to the
hash mark. Repeat this procedure until the level
remains constant at the hash mark for at least
five minutes.
4. With the coolant surge
By this time, the coolant level inside the coolant
surge tank may be lower. If the level is lower than
the FULL COLD mark, add more of the proper
mixture to the coolant surge tank until the level
reaches the FULL COLD mark.
tank pressure cap off,
start the engine and
let it run until you
can feel the upper
radiator hose getting
hot. Watch out for the
engine cooling fan.
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